CoorsTek 60170 Porcelain Bitumen Filter Crucible, 28 mL, 30-33 mm Filter; 1/Pk

Bitumen filter-crucibles have a perforated bottom and may be used for applications similar to total suspended solids determination (or Gooch-style crucibles). They are glazed inside and out, except for the outside bottom and rim. Crucibles accept standard filter paper sizes and are autoclavable.